R-D Audio & A-B-C All-Electric Power Pack
Robertson-Davis Co., Chicago
- Country
- United States of America (USA)
- Manufacturer / Brand
- Robertson-Davis Co., Chicago
- Year
- 1928
- Category
- Audio Amplifier or -mixer
- Radiomuseum.org ID
- 215253
- Number of Tubes
- 6
- Valves / Tubes
- 210_UX-Triode 210_UX-Triode unknown_Tube unknown_Tube unknown_Tube unknown_Tube
- Main principle
- Audio-Amplification
- Wave bands
- - without
- Power type and voltage
- Alternating Current supply (AC)
- Loudspeaker
- - This model requires external speaker(s).
- Material
- Metal case
- from Radiomuseum.org
- Model: R-D Audio & A-B-C All-Electric Power Pack - Robertson-Davis Co., Chicago
- Shape
- Chassis only or for «building in»
- Notes
-
The R-D Audio & A-B-C All-Electric Power Pack. This is a special 210 push-pull Unit with a voltage divider for use with any type of speaker, horn or cone --- dynamic or magnetic. Takes care of all audio and power requirements for the R-D Automatic Super Six Receiver when operated from 60 cycle A.C. electric lighting socket.
- Literature/Schematics (1)
- December 1928 Radio Engineering magazine page 59
- Author
- Model page created by Alan Larsen. See "Data change" for further contributors.
- Other Models
-
Here you find 8 models, 5 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Robertson-Davis Co., Chicago